From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9CF331386A7; Wed, 29 May 2024 18:48:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717008483; cv=none; b=m+71Mw5HHTZeCBY+QaWwkEUuM8ImJ0WyCC36pbAcN44fIC1v/jrtJWwdXLryte/z5wSxsmtchNjqq9XpVH0cuu1LQLtmwCPA0vLn/nzzL+tV9n/qWICnzykTenndcQjnmXVwbpEhvLdeif0kIRbo2JEuDk+B87nAC+yJt2lzDOw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717008483; c=relaxed/simple; bh=aSjkcMM0/WS+PWVEiRzVXc2xuIlLSgJEp7biwCjtivw=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=BC+X2HoiTK6KzNW3Oewb/NSXbYDFHu/7WFXch727LOwwmN9HqFQDvnsFYmOphQtRWB9pv3LLFDeou3FYT9oasvUU6E2xVxuTCvEvfQMrOfNkPHqyWn6iCvfXvcFpBwb+c0za2VkSXvT26mSECkx+L/+Lc+PVZvvzvt/FaUrBWw4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id E3AB4C113CC; Wed, 29 May 2024 18:48:01 +0000 (UTC) Date: Wed, 29 May 2024 14:47:57 -0400 From: Steven Rostedt To: Ilkka =?UTF-8?B?TmF1bGFww6TDpA==?= Cc: "Linux regression tracking (Thorsten Leemhuis)" , Linux regressions mailing list , stable@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Subject: Re: Bug in Kernel 6.8.x, 6.9.x Causing Trace/Panic During Shutdown/Reboot Message-ID: <20240529144757.79d09eeb@rorschach.local.home> In-Reply-To: References: <5b79732b-087c-411f-a477-9b837566673e@leemhuis.info> <20240527183139.42b6123c@rorschach.local.home> <20240528144743.149e351b@rorschach.local.home> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Wed, 29 May 2024 21:36:08 +0300 Ilkka Naulap=C3=A4=C3=A4 wrote: > applied your patch without others, so trace and panic there. > Screenshot attached. Also tested kernels backward and found out that Bah, it's still in an RCU callback, which doesn't tell us why a normal inode is being sent to the trace inode free list. > this trace bug first triggered on 6.6-rc1. Hmm, that's when eventfs was added. >=20 > Let me know if you need more assistance with this. Let me make a debug patch (that crashes on this issue) for that kernel, and perhaps you could bisect it? Thanks! -- Steve